Craftsman EZ3 917.273021 Owner's Manual page 34

TROUBLESHOOTING CHART
PROBLEM ICAUSE CORRECTION
Mower blades will not • Frozen idler pulley. • Replace idler pulley.
rotate (cont'd) • Frozen blade mandrel. • Replace blade mandrel.
Poor grass discharge • Engine speed too slow.
Headlight(s) not work
ing (if so equipped)
Battery will not charge
Loss of ddve
Engine "backfires"
when turning engine
"OFF"
• Travel speed too fast.
• Wet grass.
• Mower deck not level.
• Low/uneven tire air pressure.
• Wom, bent or loose blade.
• Buildup of grass, leaves and
trash under mower.
• Mower drive belt worn.
• Blades improperly installed,
• Improper blades used.
• Clogged mower deck vent
holes from buildup of
grass, leaves, and trash
around mandrels.
• Switch is "OFF".
• Bulb(s) burned out.
• Faulty light switch,
• Loose or damaged wiring.
• Blown fuse.
• Bad battery cell(s).
• Poor cable connections.
• Faulty regulator (if so
equipped).
• Faulty alternator.
• Freewheel control in =disen-
gaged" position.
• Motion drive belt worn, dam-
aged or broken.
• Air trapped in transmission
dudng shipment
or servicing.
• Engine throttle control not set
at "SLOW" position for 30 s_)c-
onds before stopping engine.
• Place throttle control in "FAST"
position.
• Shift to slower speed.
• Allow grass to dry before mow-
ing.
Level mower aecK.
• Check tires for proper air pres-
sure.
I"
Replace/sharpen blade. Tighten
blade bolt.
• Clean underside of mower
housing.
• Replace mower ddve belt.
• Reinstall blades sharp edge
down.
• Replace with blades listed in
this manual.
• Clean around mandrels to open
vent holes.
• Turn switch =ON'.
• Replace bulb(s).
• Check/raplace light switch.
• Check wiringand connections.
• Replace fuse.
• Replace battery.
• Check/clean all connections.
• Replace regulator.
• Replace alternator.
• Place freewheel control in
"engaged" position.
• Replace motion drive belt.
• Purge transmission.
• Move throttle control to "SLOW"
position and allow to idle for 30
seconds before stopping
engine.
34